9 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... antibiody -> Immune Complex ... Formation - Complement ... > Incr Immune Complex ... Pathophysiology #Rheumatology
Algorithm for the differentiation between simple and complex febrile seizures. Guidelines for evaluation of each. #Diagnosis
Algorithm for the ... between simple and complex ... FebrileSeizure #Fever ... #Workup #Simple ... #Complex
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
immunofluorescence Immune Complex ... staining): • Low Complement ... Idiopathic • Normal Complement ... differential #diagnosis #algorithm ... #rheumatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... perfringens - Complement-Mediated ... Drug-induced immune-complex ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tracts Immune Complex ... Coronary arteries - Fever ... Vasculitis: • Fevers ... against MPO • Complement ... differential #diagnosis #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... bartonella (oroya fever ... Differential #Diagnosis #Algorithm ... #workup #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... pauci-immune GN Immune Complex ... Elevated AST ALT • Hypocomplementemia ... Vasculitis) • Hypocomplementemic ... Differential #Diagnosis #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... Red Flags: • Fever ... deficiency Work ... Up: • Complete ... Differential #Diagnosis #Algorithm
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Differential Diagnosis Algorithm ... Periodontal Disease Complement ... Infection #Fever ... #Causes #Hematology